public class Rectangle {
    private Double width;
    private Double height;

    public Rectangle() {
        width = 6.0;
        height = 8.0;
    }


    public void findPremeter(Double width,Double height){
        this.width = width;
        this.height = height;
        System.out.println("面积是"+ (int)(width*height));
    }




}


